043
FZUS51 KBOX 200507
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
106 AM EDT FRI MAR 20 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-201800-
106 AM EDT FRI MAR 20 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES REMAINS OVER THE WATERS THROUGH FRI. A SERIES OF WEAK LOW
PRES SYSTEMS WILL MOVE THROUGH NEW ENGLAND OVER THE WEEKEND,
FOLLOWED BY HIGH PRES EARLY NEXT WEEK.
ANZ250-201800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
106 AM EDT FRI MAR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
SATURDAY EVENING...
REST OF TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 3 FT AT
9 SECONDS.
FRI
W WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 3 SECONDS AND SE 3 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 5 FT
AT 5 SECONDS AND E 4 FT AT 9 SECONDS. SHOWERS.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND SE 3 FT AT 9 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
SAT NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND N
2 FT AT 4 SECONDS.
SUN
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 2 FT
AT 3 SECONDS AND N 2 FT AT 4 SECONDS. A CHANCE OF RAIN IN THE
AFTERNOON.
SUN NIGHT
S WINDS 10 TO 15 KT, BECOMING NE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. RAIN LIKELY.
MON
N WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. RAIN LIKELY.
MON NIGHT AND TUE
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 7 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-201800-
MASSACHUSETTS BAY AND IPSWICH BAY-
106 AM EDT FRI MAR 20 2026
REST OF TONIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 3 SECONDS AND E 2 FT AT 9 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 30 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
3 SECONDS AND E 2 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 4 SECONDS AND E 3 FT AT 9 SECONDS. SHOWERS, MAINLY IN THE
EVENING.
SAT
NW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
W AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT
3 SECONDS AND E 2 FT AT 8 SECONDS.
SUN
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 3 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF RAIN IN THE
AFTERNOON.
SUN NIGHT
S WINDS 10 TO 15 KT, BECOMING NE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. RAIN LIKELY.
MON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. RAIN LIKELY.
MON NIGHT AND TUE
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-201800-
CAPE COD BAY-
106 AM EDT FRI MAR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 9 SECONDS AND SW 1 FOOT AT 3 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 9 SECONDS AND W 1 FOOT AT 2 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
2 TO 4 FT. WAVE DETAIL: W 3 FT AT 3 SECONDS AND SE 2 FT AT
9 SECONDS. SHOWERS.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
SAT NIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING
W AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS AND N 1 FOOT AT 4 SECONDS.
SUN
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS AND S 1 FOOT AT 3 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT, BECOMING SE WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. A CHANCE OF RAIN IN THE
EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
MON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. RAIN LIKELY.
MON NIGHT THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO
4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-201800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
106 AM EDT FRI MAR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
SATURDAY EVENING...
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 2 FT AT 3 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 5 FT
AT 5 SECONDS AND E 3 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS AFTER MIDNIGHT.
SAT
W WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
5 FT AT 7 SECONDS AND E 3 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN
THE MORNING.
SAT NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND N
2 FT AT 4 SECONDS.
SUN
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND NW 2 FT AT 4 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. A CHANCE OF RAIN IN THE EVENING, THEN
RAIN LIKELY AFTER MIDNIGHT.
MON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. RAIN LIKELY.
MON NIGHT AND TUE
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 7 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-201800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
106 AM EDT FRI MAR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
SATURDAY EVENING...
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
FRI
W WINDS AROUND 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT
4 SECONDS AND SE 3 FT AT 8 SECONDS.
FRI NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 3 FT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AFTER
MIDNIGHT.
SAT
W WINDS 15 TO 20 KT, BECOMING N 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
6 FT AT 7 SECONDS AND E 3 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN
THE MORNING.
SAT NIGHT
N WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT,
BECOMING E AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT
AT 7 SECONDS AND SE 3 FT AT 8 SECONDS.
SUN
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND SE 3 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
MON
N WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. A CHANCE OF RAIN.
MON NIGHT
NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.
TUE
NW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-201800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
106 AM EDT FRI MAR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
SATURDAY EVENING...
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: SE 3 FT AT 9 SECONDS AND SW 1 FOOT AT 3 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND SE 3 FT AT 8 SECONDS.
FRI NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 3 FT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AFTER
MIDNIGHT.
SAT
W WINDS 15 TO 20 KT, BECOMING NW AROUND 10 KT IN THE
AFTERNOON. SEAS 5 TO 6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND E
3 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
SAT NIGHT AND SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 3 FT AT
8 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE
3 FT AT 9 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN
LIKELY AFTER MIDNIGHT.
MON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. A CHANCE OF RAIN.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT.
TUE
NW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-201800-
NANTUCKET SOUND-
106 AM EDT FRI MAR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS. SHOWERS.
SAT
W WINDS 10 TO 15 KT, BECOMING N IN THE AFTERNOON. GUSTS UP
TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND N
1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
SAT NIGHT
N WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT
7 SECONDS.
SUN
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND N 1 FOOT AT 4 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. A CHANCE OF RAIN IN THE EVENING, THEN
RAIN LIKELY AFTER MIDNIGHT.
MON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. RAIN LIKELY.
MON NIGHT THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO
4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-201800-
VINEYARD SOUND-
106 AM EDT FRI MAR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
FRI NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS. SHOWERS.
SAT
W WINDS 10 TO 15 KT, BECOMING NW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS
AND SE 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
SAT NIGHT AND SUN
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE
1 FOOT AT 8 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN
LIKELY AFTER MIDNIGHT.
MON
N WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. RAIN LIKELY.
MON NIGHT AND TUE
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-201800-
BUZZARDS BAY-
106 AM EDT FRI MAR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
FRI NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS. SHOWERS.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
SAT NIGHT AND SUN
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
NE 1 FOOT AT 5 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN
RAIN LIKELY AFTER MIDNIGHT.
MON
N WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. RAIN LIKELY.
MON NIGHT THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO
3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-201800-
RHODE ISLAND SOUND-
106 AM EDT FRI MAR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND SE 3 FT AT 8 SECONDS.
FRI NIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
5 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS. SHOWERS.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 7 SECONDS AND SE 2 FT AT 9 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
SAT NIGHT AND SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND SE 3 FT AT
8 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE
2 FT AT 8 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN
LIKELY AFTER MIDNIGHT.
MON
N WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. RAIN LIKELY.
MON NIGHT
NW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
TUE AND TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SW. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-201800-
BLOCK ISLAND SOUND-
106 AM EDT FRI MAR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 9 SECONDS AND SW 1 FOOT AT 3 SECONDS.
FRI
W WINDS AROUND 5 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 30 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
4 SECONDS AND SE 3 FT AT 8 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 5 FT AT 7 SECONDS. SHOWERS.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 4 FT AT 8 SECONDS.
SAT NIGHT AND SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE
2 FT AT 8 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN
LIKELY AFTER MIDNIGHT.
MON
N WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. RAIN LIKELY.
MON NIGHT
NW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
TUE AND TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SW. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-201800-
BOSTON HARBOR-
106 AM EDT FRI MAR 20 2026
REST OF TONIGHT
SW WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
FRI
W WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 30 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES
AROUND 2 FT. SHOWERS.
SAT
NW WINDS AROUND 10 KT, INCREASING TO AROUND 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT.
SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
W AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUN
S WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
RAIN IN THE AFTERNOON.
SUN NIGHT
S WINDS 10 TO 15 KT, BECOMING E 15 TO 20 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT. RAIN LIKELY.
MON
N WINDS 15 TO 20 KT. WAVES AROUND 2 FT. RAIN LIKELY.
MON NIGHT THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT. WAVES AROUND
2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-201800-
NARRAGANSETT BAY-
106 AM EDT FRI MAR 20 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI
W WINDS AROUND 5 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES
2 TO 3 FT. SHOWERS.
SAT
NW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF
SHOWERS IN THE MORNING.
SAT NIGHT AND SUN
S WINDS 5 TO 10 KT. WAVES 2 TO 3 FT.
SUN NIGHT
S WINDS AROUND 10 KT, BECOMING SE WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. A CHANCE OF RAIN IN THE
EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
MON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. RAIN LIKELY.
MON NIGHT THROUGH TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. WAVES 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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